Search Results for the EPA National Library Catalog

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Movement of moisture in the unsaturated zone in a loess-mantled area, southwestern Kansas 1977
Movement of salt and hazardous contaminants in groundwater systems 1983
Multispecies reactive tracer test in a sand and gravel aquifer, Cape Cod, Massachusetts 2001
Natural decay series radionuclide studies at the Needle's Eye natural analogue site, II, 1989-1991 1991
Natural gradient experiment on solute transport in a sand aquifer 1986
Natural ground-water recharge from Kiowa Creek : 1961 progress report / 1962
Natural groundwater flow 1993
Nature and extent of lava-flow aquifers beneath Pahute Mesa, Nevada Test Site 1997
Near-field modeling in Frenchman Flat, Nevada Test Site / 1996
Nitrogen-rich septage-effluent plume in a glacial aquifer, Cape Cod, Massachusetts, February 1990 through December 1992 1996
Non-equilibrium thermodynamic treatment of transport processes in ground-water flow 1975
Northern Lancaster County groundwater study : a resource evaluation of the Manheim-Lititz and Ephrata area groundwater basins / 2005
Numerical model analysis of the effects of ground-water withdrawals on discharge to streams and springs in small basins typical of the Puget Sound Lowland, Washington 1996
Numerical model analysis of the effects of ground-water withdrawals on discharge to streams and springs in small basins typical of the Puget Sound lowland, Washington 1999
Numerical modeling of stream-groundwater interactions, near-stream flowpaths, and hyporheic zone hydrodynamics of two first-order mountain stream-aquifer systems / 1995
Numerical simulation analysis of the interaction of lakes and ground water / 1976
Numerical simulation of a plume of brackish water in the Biscayne Aquifer originating from a flowing artesian well, Dade County, Florida 1996
Numerical simulation of ground-water flow and land subsidence at Edwards Air Force Base, Antelope Valley, California / 2001
Numerical simulation of ground-water flow in basin-fill material in Salt Lake Valley, Utah / 1995
Numerical simulation of ground-water flow in the central part of the western San Joaquin Valley, California 1993
Numerical simulation of ground-water flow through glacial deposits and crystalline bedrock in the Mirror Lake area, Grafton County, New Hampshire / 1997
Numerical simulation of groundwater flow, resource optimization, and potential effects of prolonged drought for the Citizen Potawatomi Nation Tribal Jurisdictional Area, central Oklahoma / 2015
Numerical simulation of land subsidence in the Los Banos-Kettleman City area, California / 2001
Numerical simulation of the movement of sulfate in ground water in southwestern Salt Lake Valley, Utah / 1996
Parameters and variables appearing in repository siting models / 1982
Particle-tracking analysis of contributing areas of public-supply wells in simple and complex flow systems, Cape Cod, Massachusetts 1994
Particle-tracking analysis of contributing areas of public-supply wells in simple and complex flow systems, Cape Cod, Massachusetts 1995
Particle-tracking analysis of time-related capture zones for selected public-supply wells in Salt Lake Valley, Utah / 1995
PATRIOT : a methodology and decision support system for evaluating the leaching potential of pesticides / 1994
PCTRANS a PC-based system for simulating groundwater flow and transport using EFLOW, ETRANS, and ETUBE modules : version 1.0 computer code manual / 1993
Permeability and groundwater contaminant transport : a symposium, Philadelphia, Pa., 17-23 June 1979 / 1981
Petrographic and sedimentological characteristics of drift sediments from the radiotracer experiment array at Drigg, Cumbria 1991
Phase separated hydrocarbon contaminant modeling for corrected action 1988
Pond-aquifer interaction at South Pond of Lake Cochituate, Natick, Massachusetts / 2001
Potential ground-water flow directions in the upper sand unit of the Plaquemine aquifer, Iberville Parish, Louisiana : draft / 2003
Potential hazards from floodflows within the John Muir House National Historic Site, Franklin Creek drainage basin, California / 1994
Practical guide to groundwater and solute transport modeling 1996
Preconditioned Conjugate-Gradient 2 (PCG2), a computer program for solving ground-water flow equations 1990
Predicting contaminant migration in karst aquifers / 1996
Prediction of mass flux from DNAPL source zone with complex entrapment architecture : model development, experimental validation, and up-scaling / 2003
Preliminary assessment of sources, distribution, and mobility of selenium in the San Joaquin Valley, California / 1989
Preliminary investigation of a shallow ground-water flow system associated with Connetquot Brook, Long Island, New York 1980
Preliminary report on a geophysical and hydrological determination of the ground water flux through the bottom sediments of the upper connecting channels : Phase I / 1987
Preparation of 125I labelled sodium polystyrene sulphonate 1993
Principles of groundwater engineering / 1991
Probabilistic groundwater transport of chemicals under non-equilibrium sorption conditions 2000
Proceedings of the Conference on Geostatistical, Sensitivity, and Uncertainty Methods for Ground-Water Flow and Radionuclide Transport Modeling : San Francisco, California, September 15-17, 1987 / 1989
Proceedings of the Conference on New Field Techniques for Quantifying the Physical and Chemical Properties of Heterogeneous Aquifers, March 20-23, 1989, The Summit Hotel, Dallas, Texas 1989
Proceedings of the fifteenth biennial Conference on Ground Water : September 23-25, 1985, San Diego, California 1986
Proceedings of the FOCUS Conference on Eastern Regional Ground Water Issues, September 27-29, 1993, Burlington, Vermont 1993
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